Alex Getmanearly AI signals
API availabilityGooglemodels/gemini-4-hydrogen

Gemini 4 Hydrogen listed in Gemini API

Gemini 4 Hydrogen: API availability. First seen 12 Nov 2026 Catalogues list a 1,048,576 tokens context window. 19 evidence links.

Facts as of

Max output
65,536
Input
audio · image · pdf · text · video
Output
text
Cached input · USD / 1M tokens
$0.075

Alex's take

Evidence links 19

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